Buildresult: kbuild/arm64-defconfig/arm64-gcc11 built on Sep 30 2022, 04:57

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Status:	OK
Date/Time:	Sep 30 2022, 04:57
Duration:	0:10:20.632062
Builder:	ka2
Revision:	zstd: Fixing mixed module-builtin objects (`7dbd98b1927bee4be878ab2caa13546256db40e9)`
Target:	kbuild/arm64-defconfig/arm64-gcc11
Branch:	kbuild
Compiler:	arm64-gcc11 (aarch64-linux-gcc (GCC) 11.1.0 / GNU ld (GNU Binutils) 2.36.1)
Config:	defconfig (download)
Log:	Download original Possible warnings (2) warning: The last gc run reported the following. Please correct the root cause warning: There are too many unreachable loose objects; run 'git prune' to remove them. Full Log # git rev-parse -q --verify 7dbd98b1927bee4be878ab2caa13546256db40e9^{commit} # git fetch -q -n -f git://gitlab.ozlabs.ibm.com/mirror/linux-kbuild.git for-next warning: The last gc run reported the following. Please correct the root cause and remove .git/gc.log. Automatic cleanup will not be performed until the file is removed. warning: There are too many unreachable loose objects; run 'git prune' to remove them. # git rev-parse -q --verify 7dbd98b1927bee4be878ab2caa13546256db40e9^{commit} 7dbd98b1927bee4be878ab2caa13546256db40e9 # git checkout -q -f -B kisskb 7dbd98b1927bee4be878ab2caa13546256db40e9 # git clean -qxdf # < git log -1 # commit 7dbd98b1927bee4be878ab2caa13546256db40e9 # Author: Alexey Kardashevskiy <aik@ozlabs.ru> # Date: Thu Sep 29 12:08:23 2022 +1000 # # zstd: Fixing mixed module-builtin objects # # With CONFIG_ZSTD_COMPRESS=m and CONFIG_ZSTD_DECOMPRESS=y we end up in # a situation when files from lib/zstd/common/ are compiled once to be # linked later for ZSTD_DECOMPRESS (build-in) and ZSTD_COMPRESS (module) # even though CFLAGS are different for builtins and modules. # So far somehow this was not a problem but enabling LLVM LTO exposes # the problem as: # # ld.lld: error: linking module flags 'Code Model': IDs have conflicting values in 'lib/built-in.a(zstd_common.o at 5868)' and 'ld-temp.o' # # This particular conflict is caused by KBUILD_CFLAGS=-mcmodel=medium vs. # KBUILD_CFLAGS_MODULE=-mcmodel=large , modules use the large model on # POWERPC as explained at # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/arch/powerpc/Makefile?h=v5.18-rc4#n127 # but the current use of common files is wrong anyway. # # This works around the issue by introducing a zstd_common module with # shared code. # # Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru> # Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> # < /opt/cross/kisskb/korg/gcc-11.1.0-nolibc/aarch64-linux/bin/aarch64-linux-gcc --version # < /opt/cross/kisskb/korg/gcc-11.1.0-nolibc/aarch64-linux/bin/aarch64-linux-ld --version # < git log --format=%s --max-count=1 7dbd98b1927bee4be878ab2caa13546256db40e9 # < make -s -j 48 ARCH=arm64 O=/kisskb/build/kbuild_arm64-defconfig_arm64-gcc11 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-11.1.0-nolibc/aarch64-linux/bin/aarch64-linux- defconfig # < make -s -j 48 ARCH=arm64 O=/kisskb/build/kbuild_arm64-defconfig_arm64-gcc11 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-11.1.0-nolibc/aarch64-linux/bin/aarch64-linux- help # make -s -j 48 ARCH=arm64 O=/kisskb/build/kbuild_arm64-defconfig_arm64-gcc11 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-11.1.0-nolibc/aarch64-linux/bin/aarch64-linux- olddefconfig # make -s -j 48 ARCH=arm64 O=/kisskb/build/kbuild_arm64-defconfig_arm64-gcc11 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-11.1.0-nolibc/aarch64-linux/bin/aarch64-linux- Completed OK # rm -rf /kisskb/build/kbuild_arm64-defconfig_arm64-gcc11 # Build took: 0:10:20.632062

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